I'm glad you guys found some use from my blog post. Though I wish I had been able to get mine for just $600!
FWIW, I'd consider trading out my A-965 for sure for only three amps: McIntosh MC207, (assuming five channels was sufficient) Anthem Statement A5, and (assuming I could put it in another room) another ElectroVoice CPS-8.5. (I use one to drive my subwoofers. It's really an incredible piece: rated 500W/ch/4Ω/all 8 channels driven, Class D, made in Germany, and just 2RU tall. It does have two fans, though.)
The Sunfire TG-whatever is interesting on paper too, given its incredible headroom and efficiency (enough to make all that power and still carry NRTL electrical safety certification), but I'd have to be convinced by listening that its crossover distortion is as low as the A-965's. I've also never done my noise test on one. But on paper it's an interesting amp.
Another amp interesting on paper but that I don't have experience with is the "LexiCrown" (Lexicon DD-8/Crown CT8150 near-twins). I don't know how the output filter is implemented in the Harman Drivecore amps, but 125W x 8 channels in 1RU for under 10lbs with no fans is quite an achievement! That's one I'll probably buy at some point to compare with the A-965. And if it's not audibly worse, 1RU and 10lbs beats massive hulk and 80-odd pounds any day of the week!
But anything less than those amps would be a lateral move at best, and more likely a step backwards. Even the Mac and Anthem Statement two are unlikely to provide one anything except better looks and a tiny bit more headroom. Keep in mind that Dr. Rich recently called the A-965 "still state-of-the-art."